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  <h1 class="topictitle1">Managing Detection Models</h1>
  <div>
   <p>You can view, activate, and delete ransomware detection models.</p>
   <p>Choose <span><strong id="ransome_0019__en-us_topic_0000001839142377_b4620515132812">Data Security</strong> &gt; <strong id="ransome_0019__en-us_topic_0000001839142377_b1620201511285">Ransomware Protection</strong> &gt; <strong id="ransome_0019__en-us_topic_0000001839142377_b15620141542810">Ransomware Protection and WORM Configurations</strong></span> and click <span class="uicontrol"><b>Detection Model</b></span>. On the displayed <span class="uicontrol"><b>Detection Model</b></span> page, perform management operations by referring to <a href="#ransome_0019__en-us_topic_0000001456645752_en-us_topic_0000001506160261_table11338122894717">Table 1</a>.</p>
   <div class="note">
    <img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span>
    <div class="notebody">
     <p>For 1.5.0, choose <span><strong id="ransome_0019__en-us_topic_0000001839142377_b1915231462">Explore</strong> &gt; <strong id="ransome_0019__en-us_topic_0000001839142377_b10915163104618">Ransomware Protection</strong></span> and perform management operations on the <span class="uicontrol"><b><span><strong>Overview</strong></span></b></span> page by referring to <a href="#ransome_0019__en-us_topic_0000001456645752_en-us_topic_0000001506160261_table11338122894717">Table 1</a>.</p>
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    <a name="ransome_0019__en-us_topic_0000001456645752_en-us_topic_0000001506160261_table11338122894717"></a><a name="en-us_topic_0000001456645752_en-us_topic_0000001506160261_table11338122894717"></a>
    <table cellpadding="4" cellspacing="0" summary="" id="ransome_0019__en-us_topic_0000001456645752_en-us_topic_0000001506160261_table11338122894717" frame="border" border="1" rules="all">
     <caption>
      <b>Table 1 </b>Detection model management operations
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      <col style="width:14.149999999999999%">
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       <th align="left" class="cellrowborder" valign="top" width="14.151415141514152%" id="mcps1.3.4.2.4.1.1"><p>Operation</p></th>
       <th align="left" class="cellrowborder" valign="top" width="51.77517751775178%" id="mcps1.3.4.2.4.1.2"><p>Description</p></th>
       <th align="left" class="cellrowborder" valign="top" width="34.07340734073407%" id="mcps1.3.4.2.4.1.3"><p>Navigation Path</p></th>
      </tr>
     </thead>
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      <tr>
       <td class="cellrowborder" valign="top" width="14.151415141514152%" headers="mcps1.3.4.2.4.1.1 "><p>Viewing a detection model</p></td>
       <td class="cellrowborder" valign="top" width="51.77517751775178%" headers="mcps1.3.4.2.4.1.2 "><p><strong>Scenario</strong></p> <p>Viewing the detection model enables you to know the basic information and activation status of the ransomware protection policy.</p></td>
       <td class="cellrowborder" valign="top" width="34.07340734073407%" headers="mcps1.3.4.2.4.1.3 "><p>In the detection model list on the right, view the version, import time, signature information, description, and activation status.</p></td>
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      <tr>
       <td class="cellrowborder" valign="top" width="14.151415141514152%" headers="mcps1.3.4.2.4.1.1 "><p>Updating a detection model</p></td>
       <td class="cellrowborder" valign="top" width="51.77517751775178%" headers="mcps1.3.4.2.4.1.2 "><p><strong>Scenario</strong></p> <p>Common detection models are preset in the system. You can import the latest detection model (if any) of the storage system, or import or reactivate a detection model of an earlier version if it works better in your scenario.</p> <p><strong>Note</strong></p>
        <ul>
         <li>Obtain the latest detection model from Huawei technical support engineers.</li>
         <li>A detection model is automatically activated after being imported. The previously activated one changes to the <span class="uicontrol"><b>Inactivated</b></span> state.</li>
         <li>The import does not affect ongoing detection jobs. Ongoing detection jobs still use the earlier detection model. The new detection model will be used in the next job.</li>
        </ul></td>
       <td class="cellrowborder" valign="top" width="34.07340734073407%" headers="mcps1.3.4.2.4.1.3 "><p>On the <strong>Detection Model</strong> page, click <span class="uicontrol"><b>Import</b></span>.</p></td>
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      <tr>
       <td class="cellrowborder" valign="top" width="14.151415141514152%" headers="mcps1.3.4.2.4.1.1 "><p>Activating a detection model</p></td>
       <td class="cellrowborder" valign="top" width="51.77517751775178%" headers="mcps1.3.4.2.4.1.2 "><p><strong>Scenario</strong></p> <p>To use a deactivated detection model to detect ransomware, activate it first.</p> <p><strong>Note</strong></p>
        <ul>
         <li>Only detection models in the <span class="uicontrol"><b><span><strong>Inactivated</strong></span></b></span> state can be activated.</li>
         <li>Only one detection model in the <span class="uicontrol"><b><span><strong>Activated</strong></span></b></span> state exists in the system. The activated detection model is automatically deactivated after you activate or import a new detection model.</li>
         <li>If a previously activated detection model is being used for ransomware detection, the newly activated or imported detection model enters in the <span class="uicontrol"><b><span><strong>Activated</strong></span></b></span> state but does not affect the ongoing detection job and will take effect in the new job.</li>
        </ul></td>
       <td class="cellrowborder" valign="top" width="34.07340734073407%" headers="mcps1.3.4.2.4.1.3 "><p>In the row of the target detection model, choose <span><strong>More</strong></span> &gt; <span><strong>Activate</strong></span> in the <span><strong>Operation</strong></span> column on the right.</p></td>
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       <td class="cellrowborder" valign="top" width="14.151415141514152%" headers="mcps1.3.4.2.4.1.1 "><p>Deleting a detection model</p></td>
       <td class="cellrowborder" valign="top" width="51.77517751775178%" headers="mcps1.3.4.2.4.1.2 "><p><strong>Scenario</strong></p> <p>You can delete detection models unnecessary for ransomware detection.</p> <p><strong>Note</strong></p> <p>Only detection models in the <span class="uicontrol"><b><span><strong>Inactivated</strong></span></b></span> state can be deleted.</p></td>
       <td class="cellrowborder" valign="top" width="34.07340734073407%" headers="mcps1.3.4.2.4.1.3 "><p>In the row of the target detection model, choose <span><strong>More</strong></span> &gt; <span><strong>Delete</strong></span> in the <span><strong>Operation</strong></span> column on the right.</p></td>
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    </table>
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   <div class="familylinks">
    <div class="parentlink">
     <strong>Parent topic:</strong> <a href="ransome_0018.html">Managing Ransomware Protection for Copies</a>
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